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Finding the Fourth Proportional to 64,797.03, 89,417.03 and 36,119.81

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Solution

The fourth proportional to 64,797.03, 89,417.03 and 36,119.81 is: 49,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,797.03 : 89,417.03 = 36,119.81 : x
  2. Step 2: Convert to fraction form
    64,797.03/89,417.03 = 36,119.81/x
  3. Step 3: Cross multiply
    64,797.03x = 89,417.03 × 36,119.81
  4. Step 4: Simplify right side
    64,797.03x = 3,229,726,177.31
  5. Step 5: Solve for x
    x = 3,229,726,177.31/64,797.03
  6. Step 6: Final answer
    x = 49,843.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.